Câu hỏi trắc nghiệm về hóa học

Which term describes a substance or mixture that conducts electricity and heat, typically hard and strong?

• Metal

• Glass

• Plastic

• Wood

Which term describes a basic substance produced by a chemical reaction?

• Element

• Mixture

• Chemical compound

• Solution

Something that is mixed into another substance, but should not be present.

• Solvent

• Impurity

• Catalyst

• Additive

A separation process used to purify liquids by heating them to create vapor and then cooling the vapor back into liquid, effectively removing impurities.

• Distillation process

• Filtration

• Separation

• Evaporation

Which term describes a group of items provided together as a single unit?

• Container

• Set

• Package

• Box

To make exist together, or combine to form a single thing or group.

• Separate

• Combine

• Divide

• Detach

Which word describes a means to do something?

• Device

• Tool

• Equipment

• Foundation

A subway network that transports passengers within a city, providing fast and efficient public transportation.

• Tram system

• Bus line

• Subway system

• Highway system

Which word describes something that is reasonably priced and affordable for most people?

• Affordable

• Expensive

• Luxury

• Costly

Which word describes a narrow path created by humans?

• River

• Stream

• Canal

• Canal dig